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CVE-2006-4847· NVD / CVE Program· CNA mitre

Multiple buffer overflows in Ipswitch WS_FTP Server 5.05 before Hotfix 1 allow remote authenticated users to execute arbitrary code via long

Multiple buffer overflows in Ipswitch WS_FTP Server 5.05 before Hotfix 1 allow remote authenticated users to execute arbitrary code via long (1) XCRC, (2) XSHA1, or (3) XMD5 commands.

MediumCVSS 6.5 · v2.0—Weaponized No fix recorded
Published
Sep 18, 2006
Updated
Jun 16, 2026
EPSS
85.3% · 100th percentile
CWE
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Report tools

JSON

Action score

52

Plan

Add it to your regular patch cycle.

CVSS
26 / 40 · 6.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
26 / 30 · 85.3%

Affected systems

VendorProduct
ipswitchws ftp server
progressws ftp server

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • ipswitch ws ftp server1.0.1eval
  • ipswitch ws ftp server1.0.2eval
  • ipswitch ws ftp server3.0_1
  • ipswitch ws ftp server4.01
  • ipswitch ws ftp server5.02
  • ipswitch ws ftp server5.03
  • progress ws ftp serverup to 5.05 inclusive
  • progress ws ftp server1.0.1
  • progress ws ftp server1.0.1.e
  • progress ws ftp server1.0.2
  • progress ws ftp server1.0.2.e
  • progress ws ftp server1.0.3
  • progress ws ftp server1.0.4
  • progress ws ftp server1.0.5
  • progress ws ftp server2.0
  • progress ws ftp server2.0.1
  • progress ws ftp server2.0.2
  • progress ws ftp server2.0.3
  • progress ws ftp server2.0.4
  • progress ws ftp server3.0

Same product

ipswitch: all records

Other highest-scoring records for the same primary product.

  • CVE-2003-0772Multiple buffer overflows in WS_FTP 3 and 4 allow remote authenticated users to cause a denial of service and possibly execute arbitrary cod
    55Plan
  • CVE-2006-5000Multiple buffer overflows in WS_FTP Server 5.05 before Hotfix 1, and possibly other versions down to 5.0, have unknown impact and remote aut
    45Plan
  • CVE-2019-12144An issue was discovered in SSHServerAPI.dll in Progress ipswitch WS_FTP Server 2018 before 8.6.1.
    40Plan
  • CVE-2019-12146A Directory Traversal issue was discovered in SSHServerAPI.dll in Progress ipswitch WS_FTP Server 2018 before 8.6.1.
    37Monitor
  • CVE-2004-1135Multiple buffer overflows in WS_FTP Server 5.03 2004.10.14 allow remote attackers to cause a denial of service (service crash) via long (1)
    35Monitor
  • CVE-2019-12145A Directory Traversal issue was discovered in SSHServerAPI.dll in Progress ipswitch WS_FTP Server 2018 before 8.6.1.
    31Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

  • Metasploit module ×1
  • Exploit-DB entry ×2

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Exploit-DB entryremote2010-04-30
Exploit-DB entryremote2007-02-19
Metasploit moduleexploit/windows/ftp/wsftp_server_505_xmd5Ipswitch WS_FTP Server 5.05 XMD5 Overflowexploit2006-09-14

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Metasploit-5 d
  2. Published
  3. First PoC+153 d
  4. TodaySep 30, 2026+7317 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

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Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • No special conditions are required; it is repeatable.

If successful

Confidentiality
P · data can be read
Integrity
P · data or configuration can be modified
Availability
P · the service can be disrupted
Attack complexity
Low
Confidentiality impact
P
Integrity impact
P
Availability impact
P

Weakness class (CWE)

—

CVSS vector

AV:N/AC:L/Au:S/C:P/I:P/A:P

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records